OpenSports

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Lots of new features:
- When creating events, you can now set the registration option sales dates relative to event start date
- Added more functionality to the group member management screens
- Users can now opt out of making their list of activities publicly available on their profile, and can choose to not be shown in group leaderboards
- Member details and waivers are collected before joining event/program waitlists, so that it's even faster to claim your spot once it's your turn to register